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WASHINGTON — The littoral combat ship Freedom, temporarily sidelined over the weekend with engine problems, is back underway, the Navy said Wednesday.

The ship, operating from Singapore on the first extended overseas deployment for an LCS, temporarily lost propulsion power July 20 while in the South China Sea. After a “brief” period, the ship’s crew restarted the ship’s engines, and the ship returned to port.

The problems began when the Nos. 2 and 3 ship service diesel generators overheated and shut down, leading the ship’s system to cut power to the propulsion engines.

“Since arriving in Singapore July 21, the crew and maintenance technicians replaced turbochargers in NR2 and NR3 ship service diesel generators (SSDG),” according to a Navy statement released Wednesday. “Fuel oil delivery system components that also contributed to overheating and shutdown were replaced as well. For example, the crew replaced worn fuel oil couplings, clogged fuel injectors and temperature sensors.”

The ship is returning to continue taking part in Cooperation Afloat Readiness and Training Singapore naval exercises, along with the destroyer Fitzgerald, supply ship Washington Chambers, a Navy P-3 aircraft and several Republic of Singapore Navy ships in the most complex scenario of the exercise, featuring combined training in surface warfare, air defense and anti-submarine warfare.